Avrami equation Formula

Fx Copy
LaTeX Copy
Fraction transformed during a solid state transformation. Check FAQs
y=1-exp(-ktn)
y - Fraction transformed?k - Time independent coefficient in Avrami equation?t - Transformation time?n - Time independent constant in Avrami equation?

Avrami equation Example

With values
With units
Only example

Here is how the Avrami equation equation looks like with Values.

Here is how the Avrami equation equation looks like with Units.

Here is how the Avrami equation equation looks like.

0.0488Edit=1-exp(-0.0005Edit10Edit2Edit)
You are here -
HomeIcon Home » Category Engineering » Category Materials Science » Category Phase Diagrams and Phase Transformations » fx Avrami equation

Avrami equation Solution

Follow our step by step solution on how to calculate Avrami equation?

FIRST Step Consider the formula
y=1-exp(-ktn)
Next Step Substitute values of Variables
y=1-exp(-0.0005Hz10s2)
Next Step Prepare to Evaluate
y=1-exp(-0.0005102)
Next Step Evaluate
y=0.048770575499286
LAST Step Rounding Answer
y=0.0488

Avrami equation Formula Elements

Variables
Functions
Fraction transformed
Fraction transformed during a solid state transformation.
Symbol: y
Measurement: NAUnit: Unitless
Note: Value can be positive or negative.
Time independent coefficient in Avrami equation
Time independent coefficient in Avrami equation representing phase transformation.
Symbol: k
Measurement: FrequencyUnit: Hz
Note: Value can be positive or negative.
Transformation time
Transformation time represents the time in which the phase transformation occurs.
Symbol: t
Measurement: TimeUnit: s
Note: Value can be positive or negative.
Time independent constant in Avrami equation
Time independent constant in Avrami equation representing phase transformation.
Symbol: n
Measurement: NAUnit: Unitless
Note: Value can be positive or negative.
exp
n an exponential function, the value of the function changes by a constant factor for every unit change in the independent variable.
Syntax: exp(Number)

Other formulas in Kinetics of Phase Transformation category

​Go Critical radius of nucleus
r*=2𝛾TmΔHfΔT
​Go Critical free energy for nucleation
ΔG*=16π𝛾3Tm23ΔHf2ΔT2
​Go Volume free energy
𝚫Gv=ΔHfΔTTm
​Go Critical radius of nucleus (from volume free energy)
r*=-2𝛾𝚫Gv

How to Evaluate Avrami equation?

Avrami equation evaluator uses Fraction transformed = 1-exp(-Time independent coefficient in Avrami equation*Transformation time^Time independent constant in Avrami equation) to evaluate the Fraction transformed, Avrami equation is used to model the solid state phase tranformations. Fraction transformed is denoted by y symbol.

How to evaluate Avrami equation using this online evaluator? To use this online evaluator for Avrami equation, enter Time independent coefficient in Avrami equation (k), Transformation time (t) & Time independent constant in Avrami equation (n) and hit the calculate button.

FAQs on Avrami equation

What is the formula to find Avrami equation?
The formula of Avrami equation is expressed as Fraction transformed = 1-exp(-Time independent coefficient in Avrami equation*Transformation time^Time independent constant in Avrami equation). Here is an example- 0.048771 = 1-exp(-0.0005*10^2).
How to calculate Avrami equation?
With Time independent coefficient in Avrami equation (k), Transformation time (t) & Time independent constant in Avrami equation (n) we can find Avrami equation using the formula - Fraction transformed = 1-exp(-Time independent coefficient in Avrami equation*Transformation time^Time independent constant in Avrami equation). This formula also uses Exponential Growth (exp) function(s).
Copied!